Question

A sound wave is shown graphically in the figure given below. Then

Answer 1

Answer:

option 2 ie frequency of wave is 5 hz

Explanation:

if we divide wave into 4 part then we can say that wave complete 3 part in .15 seconds as given. so the 4 part must be completed in 0.20 seconds

so frequency=1/time

Frequency=1/0.20 =5hz

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